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Laryngeal motor and sensory nerve dysfunction may cause phonation and swallowing disturbance, which often happens after the treatment for laryngopharyngeal and esophageal cancer and may induce fatal complications such as aspiration pneumonia. By the conventional examinations, the tiny sensory or motor changes are hard to be detected before complete vocal paralysis. It is utmost important to establish a comprehensive quantitative method which is sensitive enough to evaluate the neuromuscular functions. The present project will evaluate the laryngeal nerve function by quantitative laryngeal electromyography, which was developed by the research team, and another novel examination technique, mucosal membrane sensation test. The comprehensive method is expected to grade the laryngeal nerve injuries quantitatively before the significant symptoms or complications and can also help to evaluate the treatment effect from medicine, rehabilitation or surgery.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Larynx pharynx and Esophagus Ca with VCP | The cases of laryngopharyngeal and esophageal cancer with endoscopic characters of vocal fold motion impairment (paralysis or fixation) |
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| Measure | Description | Time Frame |
|---|---|---|
| Fiberoptic endoscopic evaluation of swallowing (FEES) | Swallowing evaluation | Baseline:Within 3-6 months after synptom occurs |
| Laryngo-pharyngeal mucosa sensation test | There were four probes of different diameters that similar to the Von Frey filament were prepared for the examination. The diameters were 0.07mm, 0.15mm.0.2 mm and 0.3 mm. The mono-filament nylon probe was placed and contact with the tip and arytenoid mucosa. | Baseline:Within 3-6 months after synptom occurs |
| Measure | Description | Time Frame |
|---|---|---|
| laryngeal electromyography | Baseline:Within 3-6 months after synptom occurs | |
| laboratory voice analysis | fundamental frequency, Jitter (perturbation of frequency), Shimmer (perturbation of amplitude), harmonic-to-noise ratio (HN), and s/z ratio (SZ) . |
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Inclusion Criteria:
Exclusion Criteria:
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Patients from a tertian referral medical center.
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Tuan-Jen Fang, MD | Contact | fang3109@cgmh.org.tw |
| Name | Affiliation | Role |
|---|---|---|
| Tuan-Jen Fang, MD | Chang Gung Memorial Hospital | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Chang Gung Memorial Hospital | Recruiting | Taoyuan | Taiwan |
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| ID | Term |
|---|---|
| D014826 | Vocal Cord Paralysis |
| ID | Term |
|---|---|
| D007818 | Laryngeal Diseases |
| D012140 | Respiratory Tract Diseases |
| D010038 | Otorhinolaryngologic Diseases |
| D020421 | Vagus Nerve Diseases |
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| Baseline:Within 3-6 months after synptom occurs |
| voice range profile | The voice will be analyzed by computerized software. The extreme lowest and highest notes of frequencies production and the amplitude will be recorded and a voice map will be made as a plot of sound pressure level versus F0. | Baseline:Within 3-6 months after synptom occurs |
| Voice Handicap Index (VHI) | Voice-related questionnaire The Voice Handicap Index (VHI) is a 30-item instrument developed by Jacobson et al. as a self-measure the psychosocial handicapping effects of voice disorders. The questionnaire consists of three sub scales: emotional, physical and functional with 10 items from each scale. It has been translated into traditional Chinese and validated. All individuals will be asked to response for the questionnaire. | Baseline:Within 3-6 months after synptom occurs |
| Disease related life quality assessment: FACT-H&N, FACT-E | Functional Assessment of Cancer Therapy-Head and Neck (FACT-H&N) and FACT-E (esophagus) are self -report questionnaires with a Likert-type response set, ranging from "not at all" to "very much". FACT-G (general) is a 27-items scale measures four QOL (quality of life) domains including Physical Well-Being, Social/Family Well-Being, Emotional Well-Being and Functional Well-Being. In FACT-H&N, there are 11 additional specific questions for head and neck cancers while 17 additional items for esophageal cancers in FACT-E. The specific questionnaires will be provided to patients according to individual diseases. The traditional Chinese (Mandarin) version has been validated and proved to be useful in previous report. We have received the licensing agreement from the institute (FACIT) for using the questionnaires on the project. | Baseline:Within 3-6 months after synptom occurs |
| D003389 | Cranial Nerve Diseases |
| D009422 | Nervous System Diseases |
| D010243 | Paralysis |
| D009461 | Neurologic Manifestations |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |